
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Hello, World</title>
<style type="text/css">
html {
	height: 100%
}

body {
	height: 100%;
	margin: 0px;
	padding: 0px
}

#container {
	height: 100%
}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=1.2"></script>
<script type="text/javascript">
 var x = 116.4041111;
 var y = 39.9151111;
</script>
</head>

<body>
	<div id="container"></div>
	<script type="text/javascript">
		var map = new BMap.Map("container"); // 创建地图实例
		var point = new BMap.Point(x,y); // 创建点坐标
		map.centerAndZoom(point, 15); // 初始化地图，设置中心点坐标和地图级别
		
		var marker;
		map.addEventListener("click", function(e) {
			if(marker){
				map.removeOverlay(marker);  
				marker.dispose(); 
			}
			
			var point = new BMap.Point(e.point.lng , e.point.lat);
			marker = new BMap.Marker(point);
			map.addOverlay(marker);
			
			alert("x,y:" + e.point.lng + "," + e.point.lat);
		});	
	</script>
</body>
</html>